-
Notifications
You must be signed in to change notification settings - Fork 66
/
service.go
158 lines (131 loc) · 5.38 KB
/
service.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/*
Copyright 2022 The Knative Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package brokerconfig
import (
"context"
"errors"
"fmt"
"net/url"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/client-go/kubernetes"
duckv1beta1 "knative.dev/eventing-rabbitmq/pkg/apis/duck/v1beta1"
"knative.dev/eventing-rabbitmq/pkg/rabbit"
eventingv1 "knative.dev/eventing/pkg/apis/eventing/v1"
duckv1 "knative.dev/pkg/apis/duck/v1"
kubeclient "knative.dev/pkg/client/injection/kube/client"
"knative.dev/pkg/network"
rmqeventingclientset "knative.dev/eventing-rabbitmq/pkg/client/clientset/versioned"
rmqeventingclient "knative.dev/eventing-rabbitmq/pkg/client/injection/client"
rabbitv1 "knative.dev/eventing-rabbitmq/pkg/client/injection/ducks/duck/v1beta1/rabbit"
rabbitv1beta1 "knative.dev/eventing-rabbitmq/third_party/pkg/apis/rabbitmq.com/v1beta1"
apisduck "knative.dev/pkg/apis/duck"
)
func New(ctx context.Context) *BrokerConfigService {
return &BrokerConfigService{
rmqeventingClientSet: rmqeventingclient.Get(ctx),
kubeClientSet: kubeclient.Get(ctx),
rabbitLister: rabbitv1.Get(ctx),
}
}
type BrokerConfigService struct {
rmqeventingClientSet rmqeventingclientset.Interface
kubeClientSet kubernetes.Interface
rabbitLister apisduck.InformerFactory
}
func (r *BrokerConfigService) GetExchangeArgs(ctx context.Context, b *eventingv1.Broker) (*rabbit.ExchangeArgs, error) {
rabbitmqClusterRef, err := r.GetRabbitMQClusterRef(ctx, b)
if err != nil {
return nil, err
}
rabbitmqURL, err := r.RabbitmqURL(ctx, rabbitmqClusterRef)
if err != nil {
return nil, err
}
return &rabbit.ExchangeArgs{
Namespace: b.Namespace,
Broker: b,
RabbitmqClusterReference: rabbitmqClusterRef,
RabbitMQURL: rabbitmqURL,
}, nil
}
func (r *BrokerConfigService) GetRabbitMQClusterRef(ctx context.Context, b *eventingv1.Broker) (*rabbitv1beta1.RabbitmqClusterReference, error) {
if b.Spec.Config == nil {
return nil, errors.New("Broker.Spec.Config is required")
}
if b.Spec.Config.Namespace == "" || b.Spec.Config.Name == "" {
return nil, errors.New("broker.spec.config.[name, namespace] are required")
}
gvk := fmt.Sprintf("%s.%s", b.Spec.Config.Kind, b.Spec.Config.APIVersion)
switch gvk {
case "RabbitmqCluster.rabbitmq.com/v1beta1":
return &rabbitv1beta1.RabbitmqClusterReference{
Name: b.Spec.Config.Name,
Namespace: b.Spec.Config.Namespace,
}, nil
case "RabbitmqBrokerConfig.eventing.knative.dev/v1alpha1":
config, err := r.rmqeventingClientSet.EventingV1alpha1().RabbitmqBrokerConfigs(b.Spec.Config.Namespace).Get(ctx, b.Spec.Config.Name, metav1.GetOptions{})
if err != nil {
return nil, err
}
if config.Spec.RabbitmqClusterReference == nil {
return nil, fmt.Errorf("rabbitmqBrokerConfig %s/%s spec is empty", b.Spec.Config.Namespace, b.Spec.Config.Name)
}
return config.Spec.RabbitmqClusterReference, nil
default:
return nil, errors.New("Broker.Spec.Config configuration not supported, only [kind: RabbitmqCluster, apiVersion: rabbitmq.com/v1beta1]")
}
}
func (r *BrokerConfigService) RabbitmqURL(ctx context.Context, clusterRef *rabbitv1beta1.RabbitmqClusterReference) (*url.URL, error) {
// TODO: make this better.
ref := &duckv1.KReference{
Kind: "RabbitmqCluster",
APIVersion: "rabbitmq.com/v1beta1",
Name: clusterRef.Name,
Namespace: clusterRef.Namespace,
}
gv, err := schema.ParseGroupVersion(ref.APIVersion)
if err != nil {
return nil, err
}
gvk := gv.WithKind(ref.Kind)
gvr, _ := meta.UnsafeGuessKindToResource(gvk)
_, lister, err := r.rabbitLister.Get(ctx, gvr)
if err != nil {
return nil, err
}
o, err := lister.ByNamespace(ref.Namespace).Get(ref.Name)
if err != nil {
return nil, err
}
rab := o.(*duckv1beta1.Rabbit)
if rab.Status.DefaultUser == nil || rab.Status.DefaultUser.SecretReference == nil || rab.Status.DefaultUser.ServiceReference == nil {
return nil, fmt.Errorf("rabbit \"%s/%s\" not ready", ref.Namespace, ref.Name)
}
_ = rab.Status.DefaultUser.SecretReference
s, err := r.kubeClientSet.CoreV1().Secrets(rab.Status.DefaultUser.SecretReference.Namespace).Get(ctx, rab.Status.DefaultUser.SecretReference.Name, metav1.GetOptions{})
if err != nil {
return nil, err
}
password, ok := s.Data[rab.Status.DefaultUser.SecretReference.Keys["password"]]
if !ok {
return nil, fmt.Errorf("rabbit Secret missing key %s", rab.Status.DefaultUser.SecretReference.Keys["password"])
}
username, ok := s.Data[rab.Status.DefaultUser.SecretReference.Keys["username"]]
if !ok {
return nil, fmt.Errorf("rabbit Secret missing key %s", rab.Status.DefaultUser.SecretReference.Keys["username"])
}
host := network.GetServiceHostname(rab.Status.DefaultUser.ServiceReference.Name, rab.Status.DefaultUser.ServiceReference.Namespace)
return url.Parse(fmt.Sprintf("amqp://%s:%s@%s:%d", username, password, host, 5672))
}